Showing the most interest in Bay so far are the Cleveland Indians.
This is a tough call. Given Bay's poor season last year, this may be exactly the wrong time to deal him. But given many worrisome indicators - Bay's age, health problems and late arrival in the majors among them - there may never be a better time to trade him. Bay's only two years from free agency now, so time's running out in any case, and if the Pirates wait until July and he's still not hitting well, they're not going to get anything for him.